Finding the Fourth Proportional to 347,784.62, 482,398.20 and 338,566.41
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Solution
The fourth proportional to 347,784.62, 482,398.20 and 338,566.41 is: 469,611.99
Step by Step Solution
- Step 1: Write the proportion equation
347,784.62 : 482,398.20 = 338,566.41 : x - Step 2: Convert to fraction form
347,784.62/482,398.20 = 338,566.41/x - Step 3: Cross multiply
347,784.62x = 482,398.20 × 338,566.41 - Step 4: Simplify right side
347,784.62x = 163,323,826,764.46 - Step 5: Solve for x
x = 163,323,826,764.46/347,784.62 - Step 6: Final answer
x = 469,611.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.